Log Message:
-----------
Minor doc tweak: make a reference to pg_locks into a link.
Modified Files:
--------------
pgsql/doc/src/sgml:
mvcc.sgml (r2.63 -> r2.64)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/mvcc.sgml.diff?r1=2.63&r2=2.64)